Any ideas way Rivatuner won't save my overclock? Running GTX 275, 196.21 drivers and Windows X 64. Seemed to work fine in 32-bit windows but i can't get it to stick in windows 7. Basically i press apply and close it and when i go back into it its back to stock clocks. 
Also, there si no slider for the shader clock either.

Also, there si no slider for the shader clock either.
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